Config snippet

config-snippet.js

App.config = (function () {
    var CONFIG = {
        port: 8080,
        appname: 'foo',
        //...
    };
    return {
        getProperty: function (prop) {
            prop = prop.toLowerCase();
            return CONFIG[prop];
        },
        getPort: function () {
            return Config.port;
        }
        //...if needed
    };
}());